Springfield Armory 1911 Magazine .45 ACP 7 Round Stainless Steel Finish 7RD. These 1911 Pistol Magazines made by Springfield Armory USA feature a blued finish that resists rust to maintain peak quality throughout their use. Each Springfield Armory 1911 .45 ACP Magazine can hold 7 rounds of ammo and is chambered in .45 ACP. Trust the quality of this Springfield Armory 1911 7 Round. Magazine when you need to stay properly equipped on your next outing. Specifications for Springfield Armory 1911 .45 ACP 7 Round Magazine: Manufacturer: Springfield Armory Gun Make: Springfield Armory Gun Model: Springfield Armory 1911 Caliber: .45 ACP Magazine Capacity: 7 Round Condition: New Fabric/Material: Stainless Steel Package Contents: Springfield Armory 1911 .45 ACP 7 Round Magazine What firearm models does the manufacturer say Springfield Armory 1911 .45 ACP 7 Round Magazine is compatible with? The manufacturer says that Springfield Armory 1911 .45 ACP 7 Round Magazine is compatible with Springfield Armory 1911Springfield Armory PI4520 Magazine 1911 45 ACP 7rd Stainless Blued